Hello, Any comments? Thanks. On Sat, Feb 01, 2020 at 02:24:57PM +0800, Changbin Du wrote: > These two patches add SANITIZE_xx.o and SANITIZE to disable all sanitizers for > specific files, and apply them to x86 booting code. > > We need to disable UBSAN for some of ealy stage code: > o For code which could operate in one-one mapping mode. In this case, > kernel would crash at accessing data parameter when invoking UBSAN > handlers. > o Since UBSAN handlers are instrumented by KASAN, so invoking UBSAN > handlers before KASAN is initiated also is not allowed. > > Changbin Du (2): > sanitize: Add SANITIZE_xx.o and SANITIZE to disable all sanitizers for > specific files > x86: Disable both KASAN and UBSAN for some booting code > > Documentation/dev-tools/kasan.rst | 12 ++++++++++++ > arch/x86/boot/Makefile | 2 +- > arch/x86/boot/compressed/Makefile | 2 +- > arch/x86/entry/vdso/Makefile | 3 +-- > arch/x86/kernel/Makefile | 10 +++++----- > arch/x86/lib/Makefile | 2 +- > arch/x86/mm/Makefile | 4 ++-- > arch/x86/realmode/Makefile | 2 +- > arch/x86/realmode/rm/Makefile | 2 +- > scripts/Makefile.lib | 4 ++-- > 10 files changed, 27 insertions(+), 16 deletions(-) > > -- > 2.24.0 > -- Cheers, Changbin Du
